| /****************************************************************************** |
| * Copyright (c) 2005 BEA Systems, Inc. |
| * All rights reserved. This program and the accompanying materials |
| * are made available under the terms of the Eclipse Public License v1.0 |
| * which accompanies this distribution, and is available at |
| * http://www.eclipse.org/legal/epl-v10.html |
| * |
| * Contributors: |
| * Konstantin Komissarchik - initial API and implementation |
| ******************************************************************************/ |
| |
| package org.eclipse.jst.common.jdt.internal.classpath; |
| |
| import java.io.File; |
| import java.util.ArrayList; |
| |
| import org.eclipse.core.resources.IContainer; |
| import org.eclipse.core.resources.IProject; |
| import org.eclipse.core.resources.IResource; |
| import org.eclipse.core.resources.IResourceChangeEvent; |
| import org.eclipse.core.resources.IResourceChangeListener; |
| import org.eclipse.core.resources.IResourceDelta; |
| import org.eclipse.core.resources.IWorkspace; |
| import org.eclipse.core.resources.ResourcesPlugin; |
| import org.eclipse.core.runtime.CoreException; |
| import org.eclipse.core.runtime.IPath; |
| import org.eclipse.jdt.core.IAccessRule; |
| import org.eclipse.jdt.core.IClasspathAttribute; |
| import org.eclipse.jdt.core.IClasspathContainer; |
| import org.eclipse.jdt.core.IClasspathEntry; |
| import org.eclipse.jdt.core.IJavaProject; |
| import org.eclipse.jdt.core.JavaCore; |
| import org.eclipse.jdt.core.JavaModelException; |
| import org.eclipse.jst.common.frameworks.CommonFrameworksPlugin; |
| import org.eclipse.wst.common.componentcore.ComponentCore; |
| import org.eclipse.wst.common.componentcore.internal.util.IModuleConstants; |
| import org.eclipse.wst.common.componentcore.resources.IVirtualComponent; |
| import org.eclipse.wst.common.componentcore.resources.IVirtualFolder; |
| import org.eclipse.wst.common.componentcore.resources.IVirtualResource; |
| |
| /** |
| * @author <a href="mailto:kosta@bea.com">Konstantin Komissarchik</a> |
| */ |
| |
| public abstract class FlexibleProjectContainer |
| |
| implements IClasspathContainer |
| |
| { |
| protected static final class PathType |
| { |
| public static final PathType |
| LIB_DIRECTORY = new PathType(), |
| CLASSES_DIRECTORY = new PathType(); |
| } |
| |
| private static ClasspathDecorationsManager decorations; |
| |
| static |
| { |
| // Register the resource listener that will listen for changes to |
| // resources relevant to flexible project containers across the |
| // workspace and refresh them as necessary. |
| |
| final IWorkspace ws = ResourcesPlugin.getWorkspace(); |
| |
| ws.addResourceChangeListener( new Listener(), |
| IResourceChangeEvent.POST_CHANGE ); |
| |
| // Read the decorations from the workspace metadata. |
| |
| final String plugin = CommonFrameworksPlugin.PLUGIN_ID; |
| decorations = new ClasspathDecorationsManager( plugin ); |
| } |
| |
| protected final IPath path; |
| protected final IJavaProject owner; |
| protected final IProject project; |
| protected final String component; |
| private final IClasspathEntry[] cpentries; |
| private final IPath[] watchlist; |
| |
| public FlexibleProjectContainer( final IPath path, |
| final IJavaProject owner, |
| final IProject project, |
| final String component, |
| final IPath[] paths, |
| final PathType[] types ) |
| { |
| this.path = path; |
| this.owner = owner; |
| this.project = project; |
| this.component = component; |
| |
| final ArrayList cp = new ArrayList(); |
| final ArrayList w = new ArrayList(); |
| |
| if( ! isFlexibleProject( this.project ) ) |
| { |
| // Silently noop if the referenced project is not a flexible |
| // project. Should I be doing something else here? |
| |
| this.cpentries = new IClasspathEntry[ 0 ]; |
| this.watchlist = new IPath[ 0 ]; |
| |
| return; |
| } |
| |
| final IVirtualComponent vc = ComponentCore.createComponent(this.project); |
| |
| for( int i = 0; i < paths.length; i++ ) |
| { |
| final IVirtualFolder rootFolder = vc.getRootFolder(); |
| final IVirtualFolder vf = rootFolder.getFolder( paths[ i ] ); |
| |
| if( types[ i ] == PathType.LIB_DIRECTORY ) |
| { |
| final IVirtualResource[] contents; |
| |
| try |
| { |
| contents = vf.members(); |
| } |
| catch( CoreException e ) |
| { |
| CommonFrameworksPlugin.log( e ); |
| continue; |
| } |
| |
| for( int j = 0; j < contents.length; j++ ) |
| { |
| final IResource r = contents[ j ].getUnderlyingResource(); |
| final IPath p = r.getFullPath(); |
| final File f = r.getLocation().toFile(); |
| final String fname = f.getName().toLowerCase(); |
| |
| if( f.isFile() && fname.endsWith( ".jar" ) ) //$NON-NLS-1$ |
| { |
| cp.add( newLibraryEntry( p ) ); |
| } |
| } |
| |
| final IContainer[] folders = vf.getUnderlyingFolders(); |
| |
| for( int j = 0; j < folders.length; j++ ) |
| { |
| w.add( folders[ j ].getFullPath() ); |
| } |
| } |
| else |
| { |
| final IContainer[] uf = vf.getUnderlyingFolders(); |
| |
| for( int j = 0; j < uf.length; j++ ) |
| { |
| final IPath p = uf[ j ].getFullPath(); |
| |
| if( ! isSourceDirectory( p ) ) |
| { |
| cp.add( newLibraryEntry( p ) ); |
| } |
| } |
| } |
| } |
| |
| w.add( this.project.getFullPath().append( IModuleConstants.COMPONENT_FILE_PATH ) ); |
| |
| this.cpentries = new IClasspathEntry[ cp.size() ]; |
| cp.toArray( this.cpentries ); |
| |
| this.watchlist = new IPath[ w.size() ]; |
| w.toArray( this.watchlist ); |
| } |
| |
| public int getKind() |
| { |
| return K_APPLICATION; |
| } |
| |
| public IPath getPath() |
| { |
| return this.path; |
| } |
| |
| public IClasspathEntry[] getClasspathEntries() |
| { |
| return this.cpentries; |
| } |
| |
| public boolean isOutOfDate( final IResourceDelta delta ) |
| { |
| for( int i = 0; i < this.watchlist.length; i++ ) |
| { |
| if(delta != null && delta.findMember( this.watchlist[ i ] ) != null ) |
| { |
| return true; |
| } |
| } |
| |
| return false; |
| } |
| |
| public abstract void refresh(); |
| |
| static ClasspathDecorationsManager getDecorationsManager() |
| { |
| return decorations; |
| } |
| |
| private IClasspathEntry newLibraryEntry( final IPath p ) |
| { |
| IPath srcpath = null; |
| IPath srcrootpath = null; |
| IClasspathAttribute[] attrs = {}; |
| IAccessRule[] access = {}; |
| |
| final ClasspathDecorations dec |
| = decorations.getDecorations( getPath().toString(), p.toString() ); |
| |
| if( dec != null ) |
| { |
| srcpath = dec.getSourceAttachmentPath(); |
| srcrootpath = dec.getSourceAttachmentRootPath(); |
| attrs = dec.getExtraAttributes(); |
| } |
| |
| return JavaCore.newLibraryEntry( p, srcpath, srcrootpath, access, attrs, |
| false ); |
| |
| } |
| |
| private boolean isSourceDirectory( final IPath aPath ) |
| { |
| if( isJavaProject( this.project ) ) |
| { |
| try |
| { |
| final IJavaProject jproject = JavaCore.create( this.project ); |
| final IClasspathEntry[] cp = jproject.getRawClasspath(); |
| |
| for( int i = 0; i < cp.length; i++ ) |
| { |
| final IClasspathEntry cpe = cp[ i ]; |
| |
| if( cpe.getEntryKind() == IClasspathEntry.CPE_SOURCE && |
| cpe.getPath().equals( aPath ) ) |
| { |
| return true; |
| } |
| } |
| } |
| catch( JavaModelException e ) |
| { |
| CommonFrameworksPlugin.log( e ); |
| } |
| } |
| |
| return false; |
| } |
| |
| private static boolean isJavaProject( final IProject pj ) |
| { |
| try |
| { |
| return pj.getNature( JavaCore.NATURE_ID ) != null; |
| } |
| catch( CoreException e ) |
| { |
| return false; |
| } |
| } |
| |
| private static boolean isFlexibleProject( final IProject pj ) |
| { |
| try |
| { |
| return pj.getNature( IModuleConstants.MODULE_NATURE_ID ) != null; |
| } |
| catch( CoreException e ) |
| { |
| return false; |
| } |
| } |
| |
| private static class Listener |
| |
| implements IResourceChangeListener |
| |
| { |
| public void resourceChanged( final IResourceChangeEvent event ) |
| { |
| // Locate all of the flexible project containers. |
| |
| final ArrayList containers = new ArrayList(); |
| |
| final IProject[] projects |
| = ResourcesPlugin.getWorkspace().getRoot().getProjects(); |
| |
| for( int i = 0; i < projects.length; i++ ) |
| { |
| final IProject project = projects[ i ]; |
| |
| try |
| { |
| if( isJavaProject( project ) ) |
| { |
| final IJavaProject jproj = JavaCore.create( project ); |
| final IClasspathEntry[] cpes = jproj.getRawClasspath(); |
| |
| for( int j = 0; j < cpes.length; j++ ) |
| { |
| final IClasspathEntry cpe = cpes[ j ]; |
| |
| if( cpe.getEntryKind() == IClasspathEntry.CPE_CONTAINER ) |
| { |
| final IClasspathContainer cont |
| = JavaCore.getClasspathContainer( cpe.getPath(), jproj ); |
| |
| if( cont instanceof FlexibleProjectContainer ) |
| { |
| containers.add( cont ); |
| } |
| } |
| } |
| } |
| } |
| catch( JavaModelException e ) |
| { |
| CommonFrameworksPlugin.log( e ); |
| } |
| } |
| |
| // Refresh the containers that are out of date. |
| |
| final IResourceDelta delta = event.getDelta(); |
| |
| for( int i = 0, n = containers.size(); i < n; i++ ) |
| { |
| final FlexibleProjectContainer c |
| = (FlexibleProjectContainer) containers.get( i ); |
| |
| if( c.isOutOfDate( delta ) ) |
| { |
| c.refresh(); |
| } |
| } |
| } |
| } |
| |
| } |
